[Twisted-Python] Question about processes in python

Jason J. W. Williams jasonjwwilliams at gmail.com
Mon Apr 12 11:39:21 EDT 2010

Haven't had any issues yet. Twisted imports occur inside the process
function. The app was originally written as a purely blocking
multiprocessing app and rewritten to use Twisted inside the
sub-processes. It's passed all automated and hand tests without an
issue. Is there a reason importing Twisted inside sub-process should
not work?


On Mon, Apr 12, 2010 at 8:45 AM, David Ripton <dripton at ripton.net> wrote:
> On 2010.04.12 16:23:54 +0200, Gabriel Rossetti wrote:
>> Jason J. W. Williams wrote:
>> > You might want to try Python's multiprocessing code, it works very
>> > well. I've had pretty good luck using it with Twisted inside the
>> > processes too. The multiprocessing library handles the work of setting
>> > up the send and receive file descriptors.
>> yes, I was going to use that but I read in several threads that this
>> didn't work correctly in Twisted
> IMO Jason probably has a lurking bug that he just hasn't noticed so far.
> Same thing with using subprocess instead of the Twisted equivalent
> inside a Twisted reactor.  IMX it works 99% of the time.  Murphy's Law
> says it'll pass cursory testing and then fail in production.
> --
> David Ripton    dripton at ripton.net
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